Search a number
-
+
49854977 is a prime number
BaseRepresentation
bin1011111000101…
…1101000000001
310110210220011122
42332023220001
5100230324402
64540322025
71143521534
oct276135001
9113726148
1049854977
1126161867
1214843315
13a4373b3
14689aa1b
15459bca2
hex2f8ba01

49854977 has 2 divisors, whose sum is σ = 49854978. Its totient is φ = 49854976.

The previous prime is 49854949. The next prime is 49854979. The reversal of 49854977 is 77945894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48219136 + 1635841 = 6944^2 + 1279^2 .

It is a cyclic number.

It is not a de Polignac number, because 49854977 - 222 = 45660673 is a prime.

Together with 49854979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49854979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24927488 + 24927489.

It is an arithmetic number, because the mean of its divisors is an integer number (24927489).

Almost surely, 249854977 is an apocalyptic number.

It is an amenable number.

49854977 is a deficient number, since it is larger than the sum of its proper divisors (1).

49854977 is an equidigital number, since it uses as much as digits as its factorization.

49854977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 53.

The square root of 49854977 is about 7060.8056905710. The cubic root of 49854977 is about 368.0466254132.

The spelling of 49854977 in words is "forty-nine million, eight hundred fifty-four thousand, nine hundred seventy-seven".